Changeset 271 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AHDh_HReset.asm

Timestamp:

Feb 27, 2012, 4:24:52 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• AH=0h (Reset) should now work but our drives are no longer reset if DL belongs to foreign drive.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AHDh_HReset.asm (modified) (6 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AHDh_HReset.asm

@@ -33 +33 @@
 ; AHDh_ResetDrive
 ;   Parameters:
-;       DL:     Drive number
-;       DS:     RAMVARS segment
+;       DS:DI:  Ptr to DPT
 ;       SS:BP:  Ptr to IDEPACK
 ;   Returns:
@@ -40 +39 @@
 ;       CF:     0 if succesfull, 1 if error
 ;   Corrupts registers:
-;       AL, CX, SI
+;       AL, SI
 ;--------------------------------------------------------------------
-;ALIGN JUMP_ALIGN
 AHDh_ResetDrive:
     push    dx
+    push    cx
     push    bx
     push    di
@@ -58 +57 @@
         
     mov     si, IterateAndResetDrives
-    call    IterateAllDPTs
+    call    FindDPT_IterateAllDPTs
 
     shr     ah, 1                               ; Move error code and CF into proper position
@@ -64 +63 @@
     pop     di
     pop     bx
+    pop     cx
     pop     dx
     ret
@@ -76 +76 @@
 IterateAndResetDrives:
     cmp     al, [di+DPT.bIdevarsOffset]         ; The right controller?
-    jnz     .done
+    jne     .done
     push    ax
     call    AH9h_InitializeDriveForUse          ; Reset Master and Slave (Master will come first in DPT list)
@@ -83 +83 @@
     or      ah, (RET_HD_RESETFAIL << 1) | 1     ; OR in Reset Failed error code and CF, will SHR into position later
 .done:
-    stc                                         ; From IterateAllDPTs perspective, the DPT is never found
+    stc                                         ; From IterateAllDPTs perspective, the DPT is never found (continue iteration)
     ret
-